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1.
Anne Watson O'Reilly 《Child development》1995,66(4):999-1010
Previous research suggests that young children have difficulty producing actions with imagined objects (pantomimes): They frequently substitute a body part to represent the object involved in the action. This response has also been observed in neurologically impaired adults. Study 1 examined the comprehension and production of pantomimes in 3- and 5-year-old children and normal adults to explore further this aspect of representational ability. Results indicate that young children not only have difficulty producing imaginary object representations in contrast to normal adults, they also have difficulty comprehending imaginary object representations and are better at comprehending pantomimes with a body part representation. The results from the pantomime comprehension task were replicated in Study 2 with 3- and 4-year-olds. These findings are discussed in the context of the development of representational ability as children demonstrate increasing independence from concrete environmental support in their knowledge about actions. 相似文献
2.
These studies investigated two hundred and forty-four 24- and 30-month-olds' sensitivity to generic versus nongeneric language when acquiring knowledge about novel kinds. Toddlers were administered an inductive inference task, during which they heard a generic noun phrase (e.g., "Blicks drink milk") or a nongeneric noun phrase (e.g., "This blick drinks milk") paired with an action (e.g., drinking) modeled on an object. They were then provided with the model and a nonmodel exemplar and asked to imitate the action. After hearing nongeneric phrases, 30-month-olds, but not 24-month-olds, imitated more often with the model than with the nonmodel exemplar. In contrast, after hearing generic phrases, 30-month-olds imitated equally often with both exemplars. These results suggest that 30-month-olds use the generic/nongeneric distinction to guide their inferences about novel kinds. 相似文献
3.
Louis M. Herman David S. Matus Elia Y. K. Herman Marina Ivancic Adam A. Pack 《Learning & behavior》2001,29(3):250-264
We assigned gestural symbols to nine body parts of a bottlenosed dolphin (Tursiops truncatus). The dolphin was first trained to touch any floating object it chose with the body part indicated by a gestural symbol. In Experiment 1, we tested the dolphin’s ability to now touchspecific gesturally referenced objects using specific gesturally referenced body parts. In Experiment 2, we tested its ability to either touch or toss gesturally referenced objects with gesturally referenced body parts or to simply display those body parts or shake them back and forth. The acts of touching, tossing, displaying, and shaking were each associated with specific gestures and appeared in random sequences within test sessions. The results demonstrated highly significant levels of performance throughout these tasks, including many successes on the first occasions of new body-part uses. These findings provided strong evidence that the gestural symbols we used for body parts were semantically processed and understood by the dolphin as representing those body parts. 相似文献
4.
Children acquire general knowledge about many kinds of things, but there are few known means by which this knowledge is acquired. In this article, it is proposed that children acquire generic knowledge by sharing in pretend play. In Experiment 1, twenty-two 3- to 4-year-olds watched pretense in which a puppet represented a "nerp" (an unfamiliar kind of animal). For instance, in one scenario, the nerp ate and disliked a carrot. When subsequently asked generic questions about real nerps, children's responses suggested that they had learned general facts (e.g., nerps dislike carrots). In Experiment 2, thirty-two 4- to 5-year-olds learned from scenarios lacking pretend speech or sound effects. The findings reveal a long overlooked means by which children can acquire generic knowledge. 相似文献
5.
Early in development, many word‐learning phenomena generalize to symbolic gestures. The current study explored whether children avoid lexical overlap in the gestural modality, as they do in the verbal modality, within the context of ambiguous reference. Eighteen‐month‐olds’ interpretations of words and symbolic gestures in a symbol‐disambiguation task (Experiment 1) and a symbol‐learning task (Experiment 2) were investigated. In Experiment 1 (N = 32), children avoided verbal lexical overlap, mapping novel words to unnamed objects; children failed to display this pattern with symbolic gestures. In Experiment 2 (N = 32), 18‐month‐olds mapped both novel words and novel symbolic gestures onto their referents. Implications of these findings for the specialized nature of word learning and the development of lexical overlap avoidance are discussed. 相似文献
6.
Language and gesture are viewed as highly interdependent systems. Besides supporting communication, gestures also have an impact on memory for verbal information compared to pure verbal encoding in native but also in foreign language learning. This article presents a within‐subject longitudinal study lasting 14 months that tested the use of gestures in the classroom, with the experimenter presenting the items to be acquired. Participants learned 36 words distributed across two training conditions: In the audio‐visual condition subjects read, heard, and spoke the words; in the gestural condition subjects additionally accompanied the words with symbolic gestures. Memory performance was assessed through cued native‐to‐foreign translation tests at five time points. The results show that gestures significantly enhance vocabulary learning in quantity and over time. The findings are discussed in terms of Klimesch's connectivity model (CM) of information processing. Thereafter, a code, a word, is better integrated into long‐term memory if it is deep, that is, if it is comprised of many interconnected components. 相似文献
7.
Developmental differences in part/whole identification 总被引：1，自引：0，他引：1
At issue in the present research was whether or not preschoolers are able to simultaneously perceive multiple aspects of an object. This issue was examined in 2 experiments in which 3-5-year-olds were asked to describe part/whole pictures (e.g., a "house made of crayons"). Prior developmental research has suggested that preschoolers typically fail to name both part and whole aspects of such pictures. In the present study, parts and wholes ranged from relatively "simple" to relatively "difficult" for preschoolers to identify and label. The results showed that even 3-year-olds frequently named both part and whole aspects of our "simple" pictures but were significantly less likely to name both aspects of more "difficult" pictures. Overall, the results suggest that multiple-aspect perception is available as early as 3 years of age, and that preschoolers' failure in previous studies to explicitly identify both part and whole aspects of the same object may reflect failure in verbal or metacognitive skills rather than in children's ability to perceive multiple aspects of an object. 相似文献
8.
9.
An experiment with 72 three-year-olds investigated whether encoding events while seeing iconic gestures boosts children's memory representation of these events. The events, shown in videos of actors moving in an unusual manner, were presented with either iconic gestures depicting how the actors performed these actions, interactive gestures, or no gesture. In a recognition memory task, children in the iconic gesture condition remembered actors and actions better than children in the control conditions. Iconic gestures were categorized based on how much of the actors was represented by the hands (feet, legs, or body). Only iconic hand-as-body gestures boosted actor memory. Thus, seeing iconic gestures while encoding events facilitates children's memory of those aspects of events that are schematically highlighted by gesture. 相似文献
10.
We examined the role of object kind familiarity (i.e., knowledge of a count noun for an object) on preschoolers' sensitivity to the relation between a novel word's form class (adjective or count noun) and its reference (to a material kind-property or to an object kind). We used a forced-choice match-to-target task, in which children learned a word for one object (e.g., a metal cup), and then chose between 2 other objects. One was from the same object kind but a different material kind (with different related properties, such as color and texture; e.g., a white plastic cup); the other was from a different object kind but the same material kind (with the same related properties; e.g., a metal spoon). In Experiment 1, children learned either a count noun (e.g., "This is a zav") or an adjective (e.g., "This is a zav one"). Within each form class, we crossed the familiarity of the referent object kind (familiar and unfamiliar) with the age of the children (2- and 4-year-olds). The principal finding was that in interpreting an adjective, 4-year-olds were more likely to choose the object sharing material kind with the target if the target was familiar than if it was unfamiliar. No such familiarity effect was evident among 2-year-olds. In Experiment 2, we employed a more unambiguously adjectival frame (e.g., "This is a very zav-ish one"), and replicated the results of Experiment 1. We interpret the results in terms of 2 proposed word learning biases: one that learners initially expect any word applied to an unfamiliar object to refer to a (basic-level) kind of object, and a second that learners prefer words to contrast in meaning. We consider several interpretations of the observed age difference. 相似文献
11.
This study examines the effects of teachers' speech and hand gestures on the task performances of students with Attention‐Deficit/Hyperactivity Disorder (ADHD). Forty‐five 7½‐year‐old students clinically diagnosed with ADHD participated in the study. The students were asked to solve three sets of puzzles. The teachers supported the students in the tasks by using three different scaffolding modalities: speech‐only, gesture‐only and speech in conjunction with gestures. The results indicate that when the teachers used the scaffolding that contained gesture components (either speech scaffolding in conjunction with gesture scaffolding or gesture‐only scaffolding), the ADHD students were more responsive, focused longer on the tasks and were more successful in completing the tasks. Moreover, teachers' representational and deictic gestures were found to be the most effective gestures in scaffolding. This study suggests that when teachers' hand gestures are used together with speech, they are a powerful pedagogical means to engage ADHD children in tasks. 相似文献
12.
Juan Sebastian Herrera Eric M. Riggs 《International Journal of Science Education》2013,35(12):1979-2003
Advances in cognitive science and educational research indicate that a significant part of spatial cognition is facilitated by gesture (e.g. giving directions, or describing objects or landscape features). We aligned the analysis of gestures with conceptual metaphor theory to probe the use of mental image schemas as a source of concept representations for students' learning of sedimentary processes. A hermeneutical approach enabled us to access student meaning-making from students' verbal reports and gestures about four core geological ideas that involve sea-level change and sediment deposition. The study included 25 students from three US universities. Participants were enrolled in upper-level undergraduate courses on sedimentology and stratigraphy. We used semi-structured interviews for data collection. Our gesture coding focused on three types of gestures: deictic, iconic, and metaphoric. From analysis of video recorded interviews, we interpreted image schemas in gestures and verbal reports. Results suggested that students attempted to make more iconic and metaphoric gestures when dealing with abstract concepts, such as relative sea level, base level, and unconformities. Based on the analysis of gestures that recreated certain patterns including time, strata, and sea-level fluctuations, we reasoned that proper representational gestures may indicate completeness in conceptual understanding. We concluded that students rely on image schemas to develop ideas about complex sedimentary systems. Our research also supports the hypothesis that gestures provide an independent and non-linguistic indicator of image schemas that shape conceptual development, and also play a role in the construction and communication of complex spatial and temporal concepts in the geosciences. 相似文献
13.
Dimensional adjectives are inherently relative in meaning, and so provide a test of children's ability to apply nonegocentric standards. The present research investigates children's ability to apply one kind of relative standard assessing the size of an object with regard to its intended use (a functional interpretation). In 3 experiments, children 3-5 years of age were asked to judge objects as "big" or "little" according to their function (e.g., a hat for a doll; a key for a door). Contrary to previous claims, the ability to use nonegocentric functional standards was present by age 3. However, 3-year-olds performed above chance only when their attention was directed to the relevant function, either by means of action (when actually shown how the objects fit together) or by means of language. In contrast, 4-year-olds performed well without additional action-based or linguistic cues. It is suggested that children have an implicit ordering in their interpretations of big and little, such that functional judgments are lower in priority than 2 other standards: normative (the size of an object is compared to a stored mental standard, e.g., a chihuahua is small for a dog) and perceptual (the size of an object is compared to another physically present object of the same type, e.g., a chihuahua 6 inches tall is big compared to a chihuahua 4 inches tall). Even 3-year-olds can make nonegocentric functional judgments of relative size, but the basis of the judgment must be unambiguous. 相似文献
14.
Young Children's Comprehension of Pretend Episodes: The Integration of Successive Actions 总被引：3，自引：0，他引：3
In 3 experiments, children's comprehension of successive pretend actions was examined. In Experiment 1, children (25–38 months) watched 2 linked actions (e.g., a puppet poured pretend cereal or powder into a bowl, and then pretended to feed the contents of the bowl to a toy animal). Children realized that the pretend substance was incorporated into the second action. In Experiment 2, children (24–39 months) again watched 2 linked actions (e.g., a puppet poured pretend milk or powder into a container, and then pretended to tip the contents of the container over a toy animal). They realized that the animal would become "milky" or "powdery." In Experiment 3, children (25–36 months) drew similar conclusions regarding a substitute rather than an imaginary entity. The results are discussed with reference to children's causal understanding, their capacity for talking about objects and events in terms of their make-believe and real status, and the processes underlying pretense comprehension. 相似文献
15.
Elizabeth Morin-Lessard Rochelle F. Hentges Suzanne C. Tough Susan A. Graham 《Child development》2021,92(3):799-810
Using data from the All Our Families study, a longitudinal study of 1992 mother-child dyads in Canada (47.7% female; 81.9% White), we examined the developmental pathways between infant gestures and symbolic actions and communicative skills at age 5. Communicative gestures at age 12 months (e.g., pointing, nodding head “yes”), obtained via parental report, predicted stronger general communicative skills at age 5 years. Moreover, greater use of symbolic actions (e.g., “feeding” a stuffed animal with a bottle) indirectly predicted increased communicative skills at age 5 via increased productive vocabulary at 24 months. These pathways support the hypothesis that children’s communicative skills during the transition to kindergarten emerge from a chain of developmental abilities starting with gestures and symbolic actions during infancy. 相似文献
16.
J Lucariello 《Child development》1987,58(2):434-442
The influence of the child's knowledge base, in terms of event schemas, on symbolic play behavior was investigated. The pretend play behavior of 10 mother-child (2-0 to 2-4) dyads was observed in 2 play contexts. Play was examined for thematic content and the following structural components: self-other relations, substitute/imaginary objects, action integration, and planfulness. The highest levels of symbolic play behavior emerged in pretense episodes whose thematic content was event based. Additionally, thematic content affected the respective roles of mother and child in the construction of pretense. In pretense activity based on themes with which the child was familiar (e.g., routine events), the child, as well as the mother, participated in advanced levels of symbolic play activity, coconstructing pretense. In pretense based on themes unfamiliar to the child, the mother was almost exclusively responsible for the pretense. Thus, the development of child symbolic play appears to be related to the knowledge base in that its emergence is domain-specific--limited to themes for which the child has knowledge--before being more widely manifested. 相似文献
17.
D A Baldwin 《Child development》1989,60(6):1291-1306
Young children show considerable interest in color similarity; thus we might expect them to use color as a basis for generalizing object labels. However, natural language observations suggest they do not: children tend to overextend labels based on form similarity and rarely, if ever, overextend labels to objects that share only color. Perhaps, then, children give form priority over color in their expectations about object-label reference. This hypothesis was investigated in 2 studies. In a first study, 40 2- and 3-year-olds sorted 10 sets of 3 pictures that contrasted form with color. Children participated in 1 of 2 conditions: half of the children were shown a target object and asked to "find another one" from among the two choice objects, while the other children heard a novel label for the target (e.g., "See this zom?") and were asked to extend the label (e.g., "Can you find another zom?"). 3-year-olds sorted almost exclusively on the basis of form in both conditions, while 2-year-olds performed differently in the 2 conditions: they frequently chose the color match when labels were absent, but selected by form rather than color when asked to extend a novel label. A second study replicated these findings with novel objects that were real rather than pictured. This study also suggested that 3-year-olds grant color some role in their decisions about object-label reference as long as form differences are reduced to a tolerable level. In sum, young children expect form to be more important than color for guiding object-label reference, even though they may find color interesting when not asked to extend labels. This expectation helps explain the speed and relative ease with which children acquire object labels. 相似文献
18.
Two studies explored 3- and 4-year-olds' (N = 60) understanding that the five senses can each lead to different types of knowledge. In Study 1, 40 children engaged in five scenarios in which they could only perform one sensory action to identify the property of an object (e.g., color, scent). After performing the action, children were asked how they found out the property and to show the experimenter how they had found it out. Using a Mr. Potato Head doll, children were also asked to indicate the sensory organ the doll would need to use to identify the property. In Study 2, 20 children presented with five Mr. Potato Head dolls, each sporting only one sensory organ (e.g., a nose), were asked which Mr. Potato Head could find out the property in question. The 3-year-olds performed significantly poorer than the 4-year-olds on all tasks, suggesting a marked transition in children's ability to recognize the origin of their modality-specific knowledge during the time period between 3 and 4 years of age. 相似文献
19.
Previous research suggests that presenting redundant nonverbal semantic information in the form of gestures and/or pictures may aid word learning in first and foreign languages. But do nonverbal supports help all learners equally? We address this issue by examining the role of gestures and pictures as nonverbal supports for word learning in a novel (e.g. original/pretend) language in a sample of 62 preschoolers who differ in language abilities, language background, and gender. We tested children’s ability to learn novel words for familiar objects using a within-subjects design with three conditions: word-only; word + gesture; word + picture. Children were assessed on English translation, immediate comprehension and follow-up comprehension 1 week later. Overall performance on the tasks differed by characteristics of the learners. The importance of considering the interplay between learner characteristics and instructional strategies is discussed. 相似文献
20.
Gestures are a natural form of communication between preverbal children and parents which support children's social and language development; however, low-income parents gesture less frequently, disadvantaging their children. In addition to pointing and waving, children are capable of learning many symbolic gestures, known as “infant signs,” if modeled by adults. The practice of signing with infants is increasingly popular in middle-income populations around the world, but has not been examined as an intervention to promote positive qualities of the parent–child relationship. This study tested whether an infant sign intervention (ISI) encouraging low-income parents to use symbolic gestures could enhance the parent–child relationship. A final sample of twenty-nine toddlers and their families were followed for 7 months after assignment to the ISI or a control group. Children and mothers in ISI group families used more symbolic gestures than those in control families. Mothers’ in the ISI group were more attuned to changes in children's affect and more responsive to children's distress cues. Mothers in the intervention group also viewed their children more positively, reducing parenting-related stress. This study provides evidence that a simple infant sign intervention is an effective tool to promote bidirectional communication and positive interactions for preverbal children and their parents. 相似文献